X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
memordo - Spaced repetition tool to help you retain more knowledge
Wonder for Slack - Remember the things your team forgets
SmartCards+ - Spaced Repetition Software for iOS. Modern, powerful and easy to use.
Reminder - A better way to keep track of your reminders 📝
Harken - Flashcard app using smart repetition to improve your memory